/*******************************************************************************
 * Developer: Ian Doyle
 * Date:      6/23/2012
 *
 * All code Copyright (C) 2012 Ian Doyle. All rights reserved.
 *
 * This file is a part of FileFocus.
 *
 * FileFocus is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * FileFocus is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with FileFocus.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/


package filefocus;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.security.NoSuchAlgorithmException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;

import filefocus.exception.FailedExecutionException;
import filefocus.exception.UnreadableFileException;

public class FileTypeFileSizeFileDigestTripleMap extends
		HashMap<String, GrowableTreeBranch<FileSizeFileDigestDoubleMap>>
		implements FileOrganizationTreeBranch {

	/**
	 * 
	 */
	private static final long serialVersionUID = -8972461075799675939L;

	private int numFiles;
	
	public FileTypeFileSizeFileDigestTripleMap()
	{
		numFiles = 0;
	}
	
	@Override
	public void addFile(File file) throws FileNotFoundException, IOException,
			UnreadableFileException, FailedExecutionException,
			InterruptedException, NoSuchAlgorithmException {
		String fileName = file.getName();
		int index = fileName.lastIndexOf(".");
		String fileExtension = (index >= 0) ? fileName.substring(index + 1).toLowerCase() : "";
		GrowableTreeBranch<FileSizeFileDigestDoubleMap> branch = get(fileExtension);
		if(branch == null)
		{
			FileType fType = new FileType(fileExtension);
			branch = new GrowableTreeBranch<FileSizeFileDigestDoubleMap>(new FileSizeFileDigestDoubleMap(fType));
			branch.addFile(file);
			put(fType.extension(), branch);
		}
		else
		{
			branch.addFile(file);
		}
		++numFiles;
	}

	@Override
	public int count() {
		return numFiles;
	}

	@Override
	public Collection<FileList> flatten() {
		ArrayList<FileList> list = new ArrayList<FileList>();
		for(Iterator<GrowableTreeBranch<FileSizeFileDigestDoubleMap>> i = values().iterator(); i.hasNext(); list.addAll(i.next().flatten()));
		return list;
	}

}
